Miata Turbo Forum - Boost cars, acquire cats. - Which pilot bearing should I use: NSK or Koyo (Koyo is Mazda OEM)

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- - Which pilot bearing should I use: NSK or Koyo (Koyo is Mazda OEM) (https://www.miataturbo.net/suspension-brakes-drivetrain-49/pilot-bearing-should-i-use-nsk-koyo-koyo-mazda-oem-45541/)

scottv

03-29-2010 10:27 PM

Which pilot bearing should I use: NSK or Koyo (Koyo is Mazda OEM)

But I've heard the OEM pilot bearing is crap-and the NSK one came with my ACT clutch so I'm leaning toward that one but thought I would get some more opinions. Tried search and didn't see anything come up about NSK brand. Thanks!

JasonC SBB

03-29-2010 10:37 PM

Check which one has a better seal and use that one.

miatamania

03-30-2010 09:49 AM

NSK is OEM for a lot of shit including Subaru...but then again so is Koyo.

Whichever one looks better I'd used. I do know that 3/4 cars I have now have the NSK bearings in them that cam from ACT and Exedy.

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